Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando os ponteiros são o apelido, qual é o tipo?
 ###Tabelas: CREATE TABLE 2010_post_classic_senior_class_practice_times_and_leaderboard (2010_post_classic_senior_class_practice_times_and_leaderboard_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Sat 21 Aug VARCHAR, Mon 23 Aug VARCHAR, Tues 24 Aug VARCHAR, Wed 25 Aug VARCHAR, Thurs 26 Aug VARCHAR, Fri 27 Aug VARCHAR, Sat 28 Aug VARCHAR) CREATE TABLE current_members (current_members_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Nickname VARCHAR, Location (Population) VARCHAR, Founded INT, Type VARCHAR, Undergraduate Enrollment INT, Joined VARCHAR) CREATE TABLE popular_languages_used_for_data_exchange (popular_languages_used_for_data_exchange_id AUTO_INCREMENT PRIMARY KEY, Schemas VARCHAR, Flexible VARCHAR, Semantic verification VARCHAR, Dictionary VARCHAR, Information Model VARCHAR, Synonyms and homonyms VARCHAR, Dialecting VARCHAR, Web standard VARCHAR, Transformations VARCHAR, Lightweight VARCHAR, Human readable VARCHAR) CREATE TABLE season_1_1996–97 (season_1_1996–97_id AUTO_INCREMENT PRIMARY KEY, Series # INT, Title VARCHAR, Directed by VARCHAR, Written by VARCHAR, Original air date VARCHAR) CREATE TABLE past_production (past_production_id AUTO_INCREMENT PRIMARY KEY, Headphone Model VARCHAR, Headphone Class VARCHAR, Sensitivity (dB) VARCHAR, Impedance (Ohms) INT, Driver-matched dB VARCHAR, Construction VARCHAR, Earpads VARCHAR, Termination VARCHAR, Succeeded by VARCHAR)  
SELECT Type FROM current_members WHERE Nickname = Pointers